Sounds like a great time to me and I'm a huge gamer.

I find the little things amusing at times

if you gamed you would understand that sometimes you're bored and the dumbest thing in the game will occupy you

Leave her alone shes having fun

From an early age my father made deprecating observations like this about me to people in front of me. It led to crippling low self-confidence, a hatred of my dad, and increased escapism to books and video games. Maybe spend time building a relationship with your daughter than rolling your eyes at her might be beneficial.